-169-21x=155-12x

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Solution for -169-21x=155-12x equation:


Simplifying
-169 + -21x = 155 + -12x

Solving
-169 + -21x = 155 + -12x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '12x' to each side of the equation.
-169 + -21x + 12x = 155 + -12x + 12x

Combine like terms: -21x + 12x = -9x
-169 + -9x = 155 + -12x + 12x

Combine like terms: -12x + 12x = 0
-169 + -9x = 155 + 0
-169 + -9x = 155

Add '169' to each side of the equation.
-169 + 169 + -9x = 155 + 169

Combine like terms: -169 + 169 = 0
0 + -9x = 155 + 169
-9x = 155 + 169

Combine like terms: 155 + 169 = 324
-9x = 324

Divide each side by '-9'.
x = -36

Simplifying
x = -36

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